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Splinting osseointegrated implants and natural teeth in rehabilitation of partially edentulous patients. Part I: laboratory and clinical studies.

Identifieur interne : 009B41 ( Main/Exploration ); précédent : 009B40; suivant : 009B42

Splinting osseointegrated implants and natural teeth in rehabilitation of partially edentulous patients. Part I: laboratory and clinical studies.

Auteurs : M. Gross [Israël] ; B Z Laufer

Source :

RBID : pubmed:9426169

Descripteurs français

English descriptors

Abstract

A significant clinical consideration in the restoration of partial edentulism with implant and tooth-supported prostheses is whether implants and natural teeth abutments should be splinted, and if so, in what manner. This article presents a review of laboratory and clinical studies related to splinting. Stress analysis studies reveal high stress concentration around the implant neck when rigidly connected to teeth. This was not borne out in in vivo studies in short-span bridges. While stress absorbing elements have been advocated to redistribute and reduce stress concentration away from the implant neck where bone resorption is often seen, finite element analysis and photo-elastic studies demonstrate that such stress absorbing elements may be effective only when their resiliency is in the same order of magnitude as the periodontal ligament. Clinical studies reporting life table statistics in combined implant and tooth restorations do not show adverse effects of splinting teeth to implants. These studies, however, are mostly short-term reports on survival with results that are as yet inconclusive. The issue of connecting with rigid or non-rigid connectors remains unresolved with a growing body of information favouring retrievable short-span rigid connection to non-mobile teeth. Root intrusion is a potential clinical hazard of non-rigid connection.

PubMed: 9426169


Affiliations:


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Le document en format XML

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<nlm:affiliation>Section of Oral Rehabilitation, The Maurice and Gabriela Goldschleger School of Dental Medicine, Tel Aviv University, Israel.</nlm:affiliation>
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<term>Bone Resorption (prevention & control)</term>
<term>Dental Abutments</term>
<term>Dental Implantation, Endosseous</term>
<term>Dental Implants</term>
<term>Dental Prosthesis, Implant-Supported</term>
<term>Dental Stress Analysis</term>
<term>Denture Design</term>
<term>Denture, Partial</term>
<term>Elasticity</term>
<term>Follow-Up Studies</term>
<term>Humans</term>
<term>Jaw Diseases (prevention & control)</term>
<term>Jaw, Edentulous, Partially (rehabilitation)</term>
<term>Jaw, Edentulous, Partially (surgery)</term>
<term>Life Tables</term>
<term>Models, Biological</term>
<term>Periodontal Ligament (physiology)</term>
<term>Surface Properties</term>
<term>Survival Analysis</term>
<term>Tooth</term>
<term>Tooth Diseases (etiology)</term>
<term>Tooth Root (pathology)</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr">
<term>Analyse de survie</term>
<term>Analyse du stress dentaire</term>
<term>Conception d'appareil de prothèse dentaire</term>
<term>Dent</term>
<term>Desmodonte (physiologie)</term>
<term>Humains</term>
<term>Implants dentaires</term>
<term>Maladies de la mâchoire ()</term>
<term>Maladies des dents (étiologie)</term>
<term>Modèles biologiques</term>
<term>Mâchoire partiellement édentée ()</term>
<term>Mâchoire partiellement édentée (rééducation et réadaptation)</term>
<term>Piliers dentaires</term>
<term>Pose d'implant dentaire endo-osseux</term>
<term>Propriétés de surface</term>
<term>Prothèse dentaire implanto-portée</term>
<term>Prothèse partielle conjointe</term>
<term>Racine dentaire (anatomopathologie)</term>
<term>Résorption osseuse ()</term>
<term>Tables de survie</term>
<term>Élasticité</term>
<term>Études de suivi</term>
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<term>Dental Implants</term>
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<term>Tooth Root</term>
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<term>Desmodonte</term>
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<term>Bone Resorption</term>
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<term>Mâchoire partiellement édentée</term>
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<term>Dental Abutments</term>
<term>Dental Implantation, Endosseous</term>
<term>Dental Prosthesis, Implant-Supported</term>
<term>Dental Stress Analysis</term>
<term>Denture Design</term>
<term>Denture, Partial</term>
<term>Elasticity</term>
<term>Follow-Up Studies</term>
<term>Humans</term>
<term>Life Tables</term>
<term>Models, Biological</term>
<term>Surface Properties</term>
<term>Survival Analysis</term>
<term>Tooth</term>
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<term>Analyse de survie</term>
<term>Analyse du stress dentaire</term>
<term>Conception d'appareil de prothèse dentaire</term>
<term>Dent</term>
<term>Humains</term>
<term>Implants dentaires</term>
<term>Maladies de la mâchoire</term>
<term>Modèles biologiques</term>
<term>Mâchoire partiellement édentée</term>
<term>Piliers dentaires</term>
<term>Pose d'implant dentaire endo-osseux</term>
<term>Propriétés de surface</term>
<term>Prothèse dentaire implanto-portée</term>
<term>Prothèse partielle conjointe</term>
<term>Résorption osseuse</term>
<term>Tables de survie</term>
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<div type="abstract" xml:lang="en">A significant clinical consideration in the restoration of partial edentulism with implant and tooth-supported prostheses is whether implants and natural teeth abutments should be splinted, and if so, in what manner. This article presents a review of laboratory and clinical studies related to splinting. Stress analysis studies reveal high stress concentration around the implant neck when rigidly connected to teeth. This was not borne out in in vivo studies in short-span bridges. While stress absorbing elements have been advocated to redistribute and reduce stress concentration away from the implant neck where bone resorption is often seen, finite element analysis and photo-elastic studies demonstrate that such stress absorbing elements may be effective only when their resiliency is in the same order of magnitude as the periodontal ligament. Clinical studies reporting life table statistics in combined implant and tooth restorations do not show adverse effects of splinting teeth to implants. These studies, however, are mostly short-term reports on survival with results that are as yet inconclusive. The issue of connecting with rigid or non-rigid connectors remains unresolved with a growing body of information favouring retrievable short-span rigid connection to non-mobile teeth. Root intrusion is a potential clinical hazard of non-rigid connection.</div>
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